You may also like to bring up a set of pliers or channel locks for when one side still sticks in the old decking and a shovel or pitchfork will not lift them out of position.
Yes, remove them.
They can poke holes through the new shingles some day, later down the road.
Ed
Yes, remove them.
They can poke holes through the new shingles some day, later down the road.
Ed